2007 MERCEDES-BENZ GL-Class Comand Manual

55 Audio
CD operation
1Ejecting audio CD
2Opening/closing the display unit
3Warning message
Press EJECT to
close
With the COMAND switched on, press
l.
The display unit moves forward and
then tilts down. The CD AUDIO slot is
visible.
Press the l button left of the
CD AUDIO slot to eject a CD already
loaded.
Remove the CD from the slot.
Insert a CD into the slot. The CD should
be inserted with the label side up.
The COMAND pulls the CD in.
Press l on the display unit to return
the display unit to its closed position.
The display unit tilts up and then moves
to the rear.
Playback begins with track number
one.
The message
CD error will appear if
there is a media error.
Remove the CD or switch to
another operation.
WarningG
The display unit can cause injury if
contacted when open. Please close after
inserting an audio CD.
!
Do not place anything on the lowered
display panel (i.e. do not attempt to use
as a shelf). Placing objects on the
lowered display panel may result in
damage to the display or COMAND
unit which is not covered by the
Mercedes-Benz Limited Warranty.
!
Inserting a second CD with another CD
still loaded will cause damage to the
CD drive which is not covered by the
Mercedes-Benz Limited Warranty.
i
The message Press EJECT to
close
will appear. If l on the
display unit is not pressed within 20
seconds, eight successive series of two
beep tones will sound to remind you to
return the display to its closed position
by pressing l on the display unit.
The active audio source will be muted
until the display has been returned to
its closed position. If you do not do so,
the COMAND returns the display unit
to its closed position.

56 Audio
CD changer* operation

CD changer* operation
The CD changer* can play audio or MP3
CDs. When playing MP3 CDs, only the first
99 tracks will be played back in successive
order. After that, playback will begin with
track 1 of the MP3 CD. Folder selection is
not possible.
Multi session CDs include mixed file types
(e.g. MP3 and audio CD) in either succes-
sive or random order on the disc. Audio
t r a c k s w i l l b e p l a y e d b a c k f i r s t , f o l l o w e d b y
MP3 tracks until 99 tracks are reached.
Refer to additional MP3 information:
Permissible MP3 CDs (page 71)
Permissible file systems (page 71)
Permissible MP3 formats (page 73)
Permissible bit and scan rates
(
page 73)
Refer to additional CD information:
General information on CD operation
(
page 52)
Activate the CD changer* main menu
(
page 61).
or
Load a CD into the CD changer*
(
page 57).
The CD changer* is located in the glove box.
Open the glove box.
Press the chrome CDC button 1.
The CD changer* lowers and becomes
accessible.
1CD changer* release button
2CD slot
3Magazine compartement buttons
By hand, lift the CD changer* into the
stowed position.
A click is heard when fully retracted.
Switching to CD changer* mode
Accessing the CD changer*
Retracting the CD changer*
Loading CDs
WarningG
In order to avoid distraction which could
lead to an accident, the driver should insert
CDs with the vehicle at a standstill and
operate the audio system only if permitted
by road, weather and traffic conditions.
Bear in mind that at a speed of just 30 mph
(approximately 50 km/h), your car covers a
distance of 44 feet (approximately 14 m)
every second.
i
The CD changer* can accomodate up
to 6 audio CDs or MP3 CDs
(
page 58).

57 Audio
CD changer* operation
The CD changer* has a built-in magazine
which can hold up to six CDs. The CD
changer* has six magazine compartment
buttons 3 for controlling the loading
procedure. LEDs in the buttons indicate
the status of the corresponding magazine
compartment.
Button LED off:
Magazine compartment empty
Button LED continuously red:
Magazine compartment loaded with a
CD
Button LED flashes green:
CD changer requesting CD to be
loaded
Button LED flashes red:
CD is loadingThe status of a magazine compartment can
also be seen when selecting a CD in the
Magazine menu (
page 64).
The CD slot 2 for loading CDs into the CD
changer* is located above the buttons 3.
Loading options:
Loading a single magazine
compartment
Loading all six magazine
compartments
Loading a single magazine compart-
ment1CD changer* release button
2CD slot
3Magazine compartement buttonsAccess the CD changer* (page 56).
Briefly press the button 3 of the
empty magazine compartment to be
loaded.
Wait until the LED in the button 3
flashes green.
This indicates that the CD changer*
requests a CD.
i
For more information see General
Information on CD operation
(
page 52).
i
Loading a magazine slot will stop the
playback of a CD in the changer.


58 Audio
CD changer* operation
Insert an audio CD or a MP3 CD into
the CD slot 2 within approx. 15
seconds. Insert the CD face up.
The CD is pulled in. The red LED in the
corresponding magazine compartment
button 3 lights up continuously. The
system starts playing the CD.
The loading procedure is completed.
Retract the CD changer* (page 56).
Loading all six magazine
compartments
1CD changer* release button
2CD slot
3Magazine compartement buttonsInitial situation: all magazine compart-
ments empty.
The CD changer* loads all magazine
compartments beginning with
compartment 1.
Access the CD changer* (page 56).
Press and hold the button 3 of an
empty magazine compartment for
more than 2 seconds.
The LEDs of all magazine compartment
buttons 3 briefly light up green
several times.
Wait until the LED in the first magazine
compartment button 3 flashes green.
This indicates that the CD changer*
requests a CD.
Insert an audio CD or a MP3 CD into
the CD slot 2 within approx. 15
seconds. Insert the CD face up.
The CD is pulled in. The magazine
compartment is loaded.
The red LED in the corresponding
magazine compartment button 3
lights up continuously.
The CD changer* then requests
insertion of the next CD. The LED in the
corresponding magazine compartment
button 3 flashes green.
Repeat the last step until all six
magazine compartments are loaded.
The system plays the sixth CD. The
LEDs in all magazine compartment
buttons 3 light up red continously.
The loading procedure is completed.
Retract the CD changer* (page 56).

59 Audio
CD changer* operation
The following options are available:
Ejecting one CD
Ejecting all CDs (page 60)
Ejecting one CD
1CD changer* release button
2CD slot
3Magazine compartement buttons
Access the CD changer* (page 56).
Briefly press the appropriate magazine
compartment button 3.
The button LED 3 flashes red. The CD
changer* ejects the CD.
Within 15 seconds, remove the CD
from the slot 2.
The CD will be pulled in again if it is not
removed from the slot within approx.
15 seconds. The system starts playing
the CD again.
The ejection process is completed.
Retract the CD changer* (page 56).
i
If, for example, only compartments 1
through 4 are to be loaded instead of
all six compartments, simply do not
insert the fifth CD into the slot 2. The
CD changer* attempts to load the fifth
CD, yet aborts the loading procedure.
The system automatically plays the last
(fourth) CD.
Ejecting CDs

60 Audio
CD changer* operation
Ejecting all CDs
1CD changer* release button
2CD slot
3Magazine compartement buttons
Access the CD changer* (page 56).
Press and hold the button of a loaded
magazine compartment 3 for more
than 2 seconds.
The button LEDs of all loaded magazine
compartments will briefly flash red,
several times.
The CD changer* ejects the CDs one
after another.
Within 15 seconds, remove each CD
from the slot 2.
The CD will be pulled in again if it is not
removed from the slot within
approx.15 seconds. The system starts
playing the CD again.
The ejection procedure is completed
when all CDs are removed, or when the
procedure is aborted by the CD
changer*.
Retract the CD changer* (page 56).
i
If you are listening to a CD in the CD
changer* and you eject another CD
from the changer:
While ejecting the CD, the system
interrupts CD playback.
The CD you were last listening to
starts from the beginning once the
ejection procedure is completed.
If you eject the CD you are currently
listening to:
The next available audio CD is
played.
If there are no other CDs available,
the system switches to the audio
source listened to before CD
changer* mode.

61 Audio
CD operation

CD operation
Playback locations for audio CDs are:
the CD drive in the COMAND
the CD changer*.
CD drive
CD changer*
In the Audio menu (page 42), press
the
CD or the CD soft key.
CD changer* main menu
1CD number or name of the CD currently
playing
2Track number or name of the track
currently playing
3CD - CD changer*
CD - CD drive
Actual track number/max. track
number on CD and elapsed playback
time
4Symbol for inserted CD
Switching to CD operation
i
The CD drive is located behind of the
display unit (
page 54).
i
The CD changer* can accomodate up
to 6 audio or MP3 CDs. The CD
changer* is located in the glove box.
If a CD changer* is connected to the
COMAND, the
CD soft key is
available.
i
The Magaz. soft key is only assigned
when the CD changer* is active.
If the CD changer* has already read the
CDs, the Magazine menu will appear
(
page 64) when you press the
Magaz. soft key.

62 Audio
CD operation
CD drive
Activate the Audio menu (page 42).
Press the CD soft key.
The CD main menu is displayed.
If no audio CD has been inserted, the
message No CD inserted will
appear
.
Load an audio CD into the CD drive
(
page 53).
CD main menu
CD changer*
Activate the Audio menu (page 42).
Press the CD soft key.
The CD changer* main menu will
appear. The CD last played is played
back.
CD changer* main menu
If the last played CD is not available, the
next available audio or MP3 CD is played
back.
No CD in the CD changer*:
The message
Magazine empty will
appear.
Load audio or MP3 CDs into the CD
changer* (
page 56).
Switching oni
The name of the CD and the name of
the track played are displayed if the
information is available.
i
The CD soft key is available if a CD
changer* is connected to the
COMAND.
i
The name of the CD and the name of
the track played are displayed if the
information is available.